I cant see how its a scam. The competitions Ive seen the host puts a link to the winners transfer.
If someone was pulling a scam , shorly the whole community would comment and flag the offender. It wouldnt be a very smart move.
maybe #strat can explain this
Cheers
https://blockchain.info/address/1sTeEMDAvK6k4DrSxuPRfbnGK2y9wCNML
June 29, with his purse where the prize was kept, all grandmothers were withdrawn) coincidence? I do not think